Vitamin K DeficiencyVitamin K Deficiency BleedingVitamin KVitamin K 1BiotinProthrombin TimeVitamin K 2HypoprothrombinemiasVitamin K 3ProthrombinElder Nutritional Physiological PhenomenaAntifibrinolytic AgentsBlood Coagulation TestsHemorrhagic DisordersPartial Thromboplastin TimeVitamin A1-Carboxyglutamic AcidVitaminsOsteocalcinIntracranial HemorrhagesHemorrhageProtein PrecursorsPotassium DeficiencyVitamin DBlood Coagulation DisordersVitamin EVitamin K Epoxide ReductasesVitamin A DeficiencyVitamin B 12Infant, NewbornVitamin D DeficiencyPrimary PreventionBiological MarkersCarbon-Carbon LigasesCathepsin KVitamin B 12 DeficiencyAvidinVitamin E Deficiency